CN105382498A - Processing method for thin-wall inner-cavity slender shaft component - Google Patents
Processing method for thin-wall inner-cavity slender shaft component Download PDFInfo
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- CN105382498A CN105382498A CN201510977113.1A CN201510977113A CN105382498A CN 105382498 A CN105382498 A CN 105382498A CN 201510977113 A CN201510977113 A CN 201510977113A CN 105382498 A CN105382498 A CN 105382498A
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- China
- Prior art keywords
- thin
- inner chamber
- processing method
- slender axles
- keyway
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
- B23C2210/0407—Cutting angles
- B23C2210/0442—Cutting angles positive
Abstract
The invention provides a processing method for a thin-wall inner-cavity slender shaft component. The processing method comprises the following steps: a) roughly processing key grooves in the two sides of the component; b) carrying out low-temperature annealing thermal treatment on the component; and c) carrying out finish-milling on a thin-wall inner cavity key groove of the component. The processing method for the thin-wall inner-cavity slender shaft component provided by the invention is simple and convenient to operate; by controlling tool geometrical parameters, selecting scientific cutting parameters and additionally arranging an auxiliary clamp, processing precision and surface quality of the component are guaranteed, and processing efficiency of the component is greatly improved.
Description
Technical field
The present invention relates to a kind of method of processing parts, be specifically related to a kind of processing method of thin-walled inner chamber slender axles part, belong to Machining Technology field.
Background technology
Thin-walled inner chamber slender axles part is that the length-to-diameter of spindle is greater than 25 and on axle, carries out the part as cut the processing projects such as keyway.It is one of strength member on machine, is also part comparatively common in machining.This part can connect the driving parts on machine, and motion and moment of torsion are also transmitted, as leading screw, polished rod etc. on power transmission shaft elongated on lathe, lathe all belong to this class part in position driving parts being had relatively determine.
At present, in the processing of thin-walled inner chamber slender axles part, the processing method of application exists a lot of not enough, as: have that allowance is large, insufficient rigidity, in cutting process, very easily produce the problems such as vibration, flexural deformation, thus cause size and dimension site error to increase, and then have influence on machining accuracy, and reduce working (machining) efficiency.Because technological method for processing and processing conditions are the principal elements affecting thin-walled inner chamber slender axles part crudy, therefore adopt rational technological method for processing, controlling cutting vibration is prevent slender axles thin-walled parts machining deformation, improves the important channel of machining accuracy.
Summary of the invention
For the demand, the invention provides a kind of processing method of thin-walled inner chamber slender axles part, this processing method is simple to operation, by controlling tool geometrical parameter, choosing the cutting data of science and increase auxiliary clamp, both ensure that machining accuracy and the surface quality of part, substantially increase again the working (machining) efficiency of part.
The present invention is a kind of processing method of thin-walled inner chamber slender axles part, and described processing method comprises the steps: a) roughing part both sides keyway, b) process annealing heat-treatment part, c) finish-milling part thin-walled inner chamber keyway.
In a preferred embodiment of the present invention, in described step a), roughing part both sides keyway comprises the steps: 1) rough turn slender axles part on numerically controlled lathe, the allowance of the rough turn 2mm of being left to also cuts off; 2) the side keyway inner chamber of processing slim axle part on CNC milling machine; 3) identical cutting depth is adopted to process opposite side keyway inner chamber after rotating 180 °.
In a preferred embodiment of the present invention, in described step b), process annealing heat-treatment part comprises the steps: 1) slender axles part at 140 DEG C ~ 150 DEG C temperature after process annealing heat treatment roughing; 2) at 60 DEG C ~ 65 DEG C temperature, 4 ~ 5h is incubated.
In a preferred embodiment of the present invention, in described step c), finish-milling part thin-walled inner chamber keyway comprises the steps: 1) adopt folder one top to add the clamping method location slender axles part of middle clamping; 2) adjust CNC milling machine tool geometry angle; 3) the cutting data parameter of CNC milling machine is optimized, accurate milled part thin-walled inner chamber keyway.
In a preferred embodiment of the present invention, the clamping method that described folder one top adds middle clamping is that one end of slender axles part is adopted the clamping of dividing head scroll chuck, the other end uses rolling center to position clamping, and centre position adopts auxiliary lock-filters clamp compact schemes.
In a preferred embodiment of the present invention, described tool geometry angle can be adjusted to: anterior angle 15 ° ~
18 °, relief angle 18 ° ~ 22 °, tool cutting edge angle 85 ° ~ 90 °, auxiliary angle 10 ° ~ 12 °, cutting edge inclination 10 ° ~ 15 °.
In a preferred embodiment of the present invention, described cutting data parameter can be optimized for: speed of mainshaft 1000r/min, amount of feeding 0.1mm/ tooth, back engagement of the cutting edge 0.2mm, cutting speed 70m/min.
Present invention is disclosed a kind of processing method of thin-walled inner chamber slender axles part, this processing method is simple to operation, by controlling tool geometrical parameter, choosing the cutting data of science and increase auxiliary clamp, both ensure that machining accuracy and the surface quality of part, substantially increase again the working (machining) efficiency of part.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of the processing method of embodiment of the present invention thin-walled inner chamber slender axles part.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the process figure of the processing method of embodiment of the present invention thin-walled inner chamber slender axles part; This processing method comprises the steps: a) roughing part both sides keyway, b) process annealing heat-treatment part, c) finish-milling part thin-walled inner chamber keyway.
Embodiment 1
Concrete processing method is as follows:
A) roughing part both sides keyway, the clamping method on folder one top is first adopted to be clamped with dividing head scroll chuck one end of thin-walled inner chamber slender axles part, other end rolling center positions clamping, adopt high-speed cutting processing technology rough turn slender axles part on numerically controlled lathe again, the allowance of the rough turn 2mm of being left to also cuts off; Then the side keyway inner chamber of processing slim axle part on CNC milling machine, the clamping method that its Set and Positioning still adopts a folder one to push up; Afterwards, slender axles part is rotated 180 °, adopt identical cutting depth to process opposite side keyway inner chamber; Adopt even laminating, repeatedly rotation, the symmetrical rough machining method removing surplus like this, complete the roughing of both sides keyway, two monolateral allowance leaving 1mm of keyway machined surface.
B) process annealing heat-treatment part, the slender axles part first at 140 DEG C of temperature after process annealing heat treatment roughing; Then at 60 DEG C of temperature, the slender axles part after process annealing heat treatment is incubated 5h.Because part has residualinternal stress after roughing, for eliminating residualinternal stress to the impact of machining accuracy, prevent from finishing passes, producing excessive stress deformation, first by process annealing heat-treatment part, remove most residual stress, again by the isothermal holding of certain hour, the stress of remainder is discharged completely.
C) finish-milling part thin-walled inner chamber keyway, first one end of slender axles part is adopted the clamping of dividing head scroll chuck, the other end uses rolling center to position clamping, centre position adopts auxiliary lock-filters clamp compact schemes, the clamping method that this folder one top adds middle clamping can ensure that slender axles part is located and reliable grip completely, cutting force can be resisted preferably when machining, effectively avoid the generation of processing the situations such as flutter, machined surface ripple, milling cutter tipping, loose-parts, and then ensure machining accuracy; Then by CNC milling machine tool geometry angle be adjusted to: anterior angle 15 °, relief angle 18 °, tool cutting edge angle 85 °, auxiliary angle 10 °, cutting edge inclination 10 °, these tool geometry angles well can reduce flutter, improve machining condition, improve crudy; By the cutting data parameter optimization of CNC milling machine be subsequently: speed of mainshaft 1000r/min, amount of feeding 0.1mm/ tooth, back engagement of the cutting edge 0.2mm, cutting speed 70m/min, these cutting data parameters can make fluttering effect be reduced to most perfect condition, thus guarantee to reach best machining quality, also can ensure to reach the highest machining efficiency simultaneously, according to the cutting data parameter optimized, accurate milling be carried out to part thin-walled inner chamber keyway afterwards.
Embodiment 2
Concrete processing method is as follows:
A) roughing part both sides keyway, the clamping method on folder one top is first adopted to be clamped with dividing head scroll chuck one end of thin-walled inner chamber slender axles part, other end rolling center positions clamping, adopt high-speed cutting processing technology rough turn slender axles part on numerically controlled lathe again, the allowance of the rough turn 2mm of being left to also cuts off; Then the side keyway inner chamber of processing slim axle part on CNC milling machine, the clamping method that its Set and Positioning still adopts a folder one to push up; Afterwards, slender axles part is rotated 180 °, adopt identical cutting depth to process opposite side keyway inner chamber; Adopt even laminating, repeatedly rotation, the symmetrical rough machining method removing surplus like this, complete the roughing of both sides keyway, two monolateral allowance leaving 1mm of keyway machined surface.
B) process annealing heat-treatment part, the slender axles part first at 150 DEG C of temperature after process annealing heat treatment roughing; Then at 65 DEG C of temperature, the slender axles part after process annealing heat treatment is incubated 4h.Because part has residualinternal stress after roughing, for eliminating residualinternal stress to the impact of machining accuracy, prevent from finishing passes, producing excessive stress deformation, first by process annealing heat-treatment part, remove most residual stress, again by the isothermal holding of certain hour, the stress of remainder is discharged completely.
C) finish-milling part thin-walled inner chamber keyway, first one end of slender axles part is adopted the clamping of dividing head scroll chuck, the other end uses rolling center to position clamping, centre position adopts auxiliary lock-filters clamp compact schemes, the clamping method that this folder one top adds middle clamping can ensure that slender axles part is located and reliable grip completely, cutting force can be resisted preferably when machining, effectively avoid the generation of processing the situations such as flutter, machined surface ripple, milling cutter tipping, loose-parts, and then ensure machining accuracy; Then by CNC milling machine tool geometry angle be adjusted to: anterior angle 18 °, relief angle 22 °, tool cutting edge angle 90 °, auxiliary angle 12 °, cutting edge inclination 15 °, these tool geometry angles well can reduce flutter, improve machining condition, improve crudy; By the cutting data parameter optimization of CNC milling machine be subsequently: speed of mainshaft 1000r/min, amount of feeding 0.1mm/ tooth, back engagement of the cutting edge 0.2mm, cutting speed 70m/min, these cutting data parameters can make fluttering effect be reduced to most perfect condition, thus guarantee to reach best machining quality, also can ensure to reach the highest machining efficiency simultaneously, according to the cutting data parameter optimized, accurate milling be carried out to part thin-walled inner chamber keyway afterwards.
Present invention is disclosed a kind of processing method of thin-walled inner chamber slender axles part, this processing method is simple to operation, by controlling tool geometrical parameter, choosing the cutting data of science and increase auxiliary clamp, both ensure that machining accuracy and the surface quality of part, substantially increase again the working (machining) efficiency of part.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (7)
1. a processing method for thin-walled inner chamber slender axles part, is characterized in that, described processing method comprises the steps: a) roughing part both sides keyway, b) process annealing heat-treatment part, c) finish-milling part thin-walled inner chamber keyway.
2. the processing method of thin-walled inner chamber slender axles part according to claim 1, it is characterized in that, in described step a), roughing part both sides keyway comprises the steps: 1) rough turn slender axles part on numerically controlled lathe, the allowance of the rough turn 2mm of being left to also cuts off; 2) the side keyway inner chamber of processing slim axle part on CNC milling machine; 3) identical cutting depth is adopted to process opposite side keyway inner chamber after rotating 180 °.
3. the processing method of thin-walled inner chamber slender axles part according to claim 1, it is characterized in that, in described step b), process annealing heat-treatment part comprises the steps: 1) slender axles part at 140 DEG C ~ 150 DEG C temperature after process annealing heat treatment roughing; 2) at 60 DEG C ~ 65 DEG C temperature, 4 ~ 5h is incubated.
4. the processing method of thin-walled inner chamber slender axles part according to claim 1, it is characterized in that, in described step c), finish-milling part thin-walled inner chamber keyway comprises the steps: 1) adopt folder one top to add the clamping method location slender axles part of middle clamping; 2) adjust CNC milling machine tool geometry angle; 3) the cutting data parameter of CNC milling machine is optimized, accurate milled part thin-walled inner chamber keyway.
5. the processing method of thin-walled inner chamber slender axles part according to claim 4, it is characterized in that, the clamping method that described folder one top adds middle clamping is that one end of slender axles part is adopted the clamping of dividing head scroll chuck, the other end uses rolling center to position clamping, and centre position adopts auxiliary lock-filters clamp compact schemes.
6. the processing method of thin-walled inner chamber slender axles part according to claim 4, it is characterized in that, described tool geometry angle can be adjusted to: anterior angle 15 ° ~ 18 °, relief angle 18 ° ~ 22 °, tool cutting edge angle 85 ° ~ 90 °, auxiliary angle 10 ° ~ 12 °, cutting edge inclination 10 ° ~ 15 °.
7. the processing method of thin-walled inner chamber slender axles part according to claim 4, it is characterized in that, described cutting data parameter can be optimized for: speed of mainshaft 1000r/min, amount of feeding 0.1mm/ tooth, back engagement of the cutting edge 0.2mm, cutting speed 70m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977113.1A CN105382498A (en) | 2015-12-23 | 2015-12-23 | Processing method for thin-wall inner-cavity slender shaft component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510977113.1A CN105382498A (en) | 2015-12-23 | 2015-12-23 | Processing method for thin-wall inner-cavity slender shaft component |
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| CN105382498A true CN105382498A (en) | 2016-03-09 |
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| CN201510977113.1A Pending CN105382498A (en) | 2015-12-23 | 2015-12-23 | Processing method for thin-wall inner-cavity slender shaft component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514182A (en) * | 2018-12-28 | 2019-03-26 | 湖北三江航天红阳机电有限公司 | A kind of processing method of the thin-wall aluminum alloy with petal L-type end frame |
| CN111283389A (en) * | 2020-03-17 | 2020-06-16 | 无锡鹰贝精密轴承有限公司 | End face grinding process for wear-resisting disc of hydraulic motor |
| CN112091629A (en) * | 2020-09-15 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Machining method of thin-wall gear ring with key groove |
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| CN102284734A (en) * | 2011-07-04 | 2011-12-21 | 宝鸡石油机械有限责任公司 | Method for processing key grooves of shaft |
| CN103341729A (en) * | 2013-06-28 | 2013-10-09 | 南车戚墅堰机车有限公司 | Rotating shaft key groove machining method |
| JP2014094429A (en) * | 2012-11-09 | 2014-05-22 | Honda Motor Co Ltd | Processing method of steel member, mill board, and cvt pulley shaft |
| CN104493437A (en) * | 2014-11-25 | 2015-04-08 | 浙江铂达科技有限公司 | Oil pump shaft machining process |
| CN104625188A (en) * | 2014-12-17 | 2015-05-20 | 中国航空工业集团公司北京航空精密机械研究所 | Method for processing high-symmetry-degree double-key groove of slender shaft component |
| CN104759672A (en) * | 2015-04-01 | 2015-07-08 | 衡阳风顺车桥有限公司 | Long shaft key slot machining process |
| CN104874986A (en) * | 2015-05-06 | 2015-09-02 | 柳州金茂机械有限公司 | Intermediate shaft machining technology |
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2015
- 2015-12-23 CN CN201510977113.1A patent/CN105382498A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE1502098A1 (en) * | 1964-12-04 | 1969-12-04 | Olnnocenti Soc Generale Per L | Workpiece holder for milling machines |
| CN102284734A (en) * | 2011-07-04 | 2011-12-21 | 宝鸡石油机械有限责任公司 | Method for processing key grooves of shaft |
| JP2014094429A (en) * | 2012-11-09 | 2014-05-22 | Honda Motor Co Ltd | Processing method of steel member, mill board, and cvt pulley shaft |
| CN103341729A (en) * | 2013-06-28 | 2013-10-09 | 南车戚墅堰机车有限公司 | Rotating shaft key groove machining method |
| CN104493437A (en) * | 2014-11-25 | 2015-04-08 | 浙江铂达科技有限公司 | Oil pump shaft machining process |
| CN104625188A (en) * | 2014-12-17 | 2015-05-20 | 中国航空工业集团公司北京航空精密机械研究所 | Method for processing high-symmetry-degree double-key groove of slender shaft component |
| CN104759672A (en) * | 2015-04-01 | 2015-07-08 | 衡阳风顺车桥有限公司 | Long shaft key slot machining process |
| CN104874986A (en) * | 2015-05-06 | 2015-09-02 | 柳州金茂机械有限公司 | Intermediate shaft machining technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514182A (en) * | 2018-12-28 | 2019-03-26 | 湖北三江航天红阳机电有限公司 | A kind of processing method of the thin-wall aluminum alloy with petal L-type end frame |
| CN109514182B (en) * | 2018-12-28 | 2020-05-26 | 湖北三江航天红阳机电有限公司 | Processing method of thin-wall aluminum alloy L-shaped end frame with petals |
| CN111283389A (en) * | 2020-03-17 | 2020-06-16 | 无锡鹰贝精密轴承有限公司 | End face grinding process for wear-resisting disc of hydraulic motor |
| CN112091629A (en) * | 2020-09-15 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Machining method of thin-wall gear ring with key groove |
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Application publication date: 20160309 |
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